Lotus 79The Lotus 79 used bodywork on the underside that effectively created a venturi, thus as the air rushed under the car the air was forced to accelerate and the pressure of the air was lowered dramatically.in excess of 2000 pounds of down-force was created in addition to Lotus 79's 1250 pound weight.

The Lotus 79 had proved that ground effects were the way to go and “aerodynamics had become the big thing.” Lola had just started to make use ofthe quarter scale wind tunnel at Imperial College, London.